SATA still around for some time ? and what is the best HD configuration ?
Hi,
I want to add 4x1tb hard drives to my mac. But before investing in it, I would like to know if SATA technology will be around for quite some time or is there new technology coming soon ?
Also I am thinking of configuring 2x1tb's as striped raid and other 2x1tb's as time machine back up in mirrored raid config..
I am planning on buying WD Caviar Blacks as per recommendation. Do you guys think this setup will be the best option performance wise ?
just saw this post particularly for WD Caviar's in Raid config. Any comments ??
These drives run hot but that seems to be the same for most 1TB drives. I'd recommend some direct cooling.
Western Digital does not support running these drives in a RAID configuration. I bought 5 of these drives. 1 was DOA (likely due to shipping as the bubble wrap was popped in areas) and one other will fall out of a RAID set every 2 days. According to WD it is because the drive enters a deep recovery cycle and the RAID controller times it out. Why it needs to enter a deep recovery cycle so often is a question they won't answer. Western Digital wants you to pay more for their RAID edition drives which don't enter the deep recovery cycle. I've never has this problem with other HD manufacturers (before these drives I used mainly Hitachi and Seagate with hardware RAID controllers). I use Areca RAID controllers which have worked great for me in the past. The 3 remaining drives I have work fine but WD won't replace this drive just because it fails in a RAID array.
Other Thoughts: You would think we should be able to run HDs in a RAID array without having to spend extra for a drive designed to operate 24x7 when that is not the intended use.
Here are some of the replies from Western Digital support:
"The WD Caviar Black SATA drive is not a RAID edition drive. When creating a RAID, we recommend that you use our RAID edition drives. We cannot guarantee RAID functionality of our desktop drives for reasons listed in the article below.
Title: What is the difference between Desktop edition and RAID (Enterprise) edition hard drives?
URL: http://wdc.custhelp.com/cgi-bin/wdc.cfg/php/enduser/stdadp.php?p_faqid=1397&pcreated=1131638613 "
"It is normal to experience dropouts in RAID arrays with desktop drives. I recommend returning or exchanging the drives to the place of purchase for RAID edition drives, or contact your RAID controller manufacturer to see if they can provide a RAID controller that can see drives that are in a deep recovery cycle. "
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